US3760737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monorail
Assignee: Mannesmann Demag AG
•
Filing: 1971-12-20
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Granted: 1973-09-25
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Expires: 1991-12-20
Abstract
Abstract Disclosed herein is a new monorail with plural bearing surfaces, one of which serves to guide and to support suspension (top supported or ''''below rail'''') railway vehicles and another which serves to guide and to support upright (bottom supported or ''''above rail'''') railway vehicles, all of which vehicles are powered by electrolinear motors energized through secondaries forming part of the new monorail.
Inventors
- 👤 K Becker
- 👤 H Sprung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:52
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/22; B; B60; B60L; B60L13/00; E01B25/08; E01B25/10; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
199 words
A monorail adapted to support for propulsion therealong both top supported and bottom supported, wheeled, electrolinear motordriven railway vehicles, said monorail comprising a. a hollow, elongated web of generally rectilinear cross section; b. an upper flight including an upper bearing surface for supporting the wheels of bottom supported vehicles; c. said upper bearing surface being an upper horizontal flange means extending bilaterally outwardly of upper portions of said web; d. a lower flight including a lower bearing surface for supporting the wheels of top supported vehicles; e. said lower bearing surface being a lower horizontal flange means extending bilaterally outwardly of the lower portions of said web; f. an upper stabilizing flange means extending bilaterally outwardly of said web and being disposed above and parallel with said upper bearing surface; g. a lower stabilizing flange means disposed below and being parallel with said lower bearing surface; h. said stabilizing flange means being adapted to function as secondaries of electrolinear motor drives for said railway vehicles; i. bracket means extending outwardly from said web between said upper and lower flights for supporting said monorail in an elevated position without interfering with the travel of top and bottom supported vehicles therealong.
Claim 2
Dependent Claim
199 words
A monorail adapted to support for propulsion therealong both top supported and bottom supported, wheeled, electrolinear motordriven railway vehicles, said monorail comprising a. a hollow, elongated web of generally rectilinear cross section; b. an upper flight including an upper bearing surface for supporting the wheels of bottom supported vehicles; c. said upper bearing surface being an upper horizontal flange means extending bilaterally outwardly of upper portions of said web; d. a lower flight including a lower bearing surface for supporting the wheels of top supported vehicles; e. said lower bearing surface being a lower horizontal flange means extending bilaterally outwardly of the lower portions of said web; f. an upper stabilizing flange means extending bilaterally outwardly of said web and being disposed above and parallel with said upper bearing surface; g. a lower stabilizing flange means disposed below and being parallel with said lower bearing surface; h. said stabilizing flange means being adapted to function as secondaries of electrolinear motor drives for said railway vehicles; i. bracket means extending outwardly from said web between said upper and lower flights for supporting said monorail in an elevated position without interfering with the travel of top and bottom supported vehicles therealong.
Claim 3
Dependent Claim
23 words
A monorail according to claim 1, further characterized in that a. said upper and lower bearing surfaces have shallow, inverted U-shaped cross sections.
Claim 4
Dependent Claim
37 words
A monorail according to claim 1, further characterized in that a. said hollow web has a height in cross section substantially greater than its width in cross section to provide said web with a generally I-shaped appearance.
Claim 5
Dependent Claim
23 words
A monorail according to claim 1, further characterized in that a. said bearing surfaces are of greater width than said stabilizing flange means.
Claim 6
Dependent Claim
21 words
A monorail according to claim 1, further characterized in that a. said bracket means extends from both sides of said web.
Claim 7
Dependent Claim
55 words
A monorail according to claim 1, further characterized in that a. said hollow web comprises two vertical side walls, an upper horizontal wall, and a lower horizontal wall; b. said side walls are intersected and reinforced by said upper and lower flange means, to provide said web with a cross-sectional profile including three superimposed rectangles.
Claim 8
Dependent Claim
25 words
A monorail according to claim 1, further characterized in that a. said stabilizing flange means are connected directly to said upper and lower web walls.
References Cited (Backward Citations)
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US3319580A
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US3516361A
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US3626858A
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US3673966A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |